Home / 206,020.92-310,435.18-169,401.32

Finding the Fourth Proportional to 206,020.92, 310,435.18 and 169,401.32

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Solution

The fourth proportional to 206,020.92, 310,435.18 and 169,401.32 is: 255,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,020.92 : 310,435.18 = 169,401.32 : x
  2. Step 2: Convert to fraction form
    206,020.92/310,435.18 = 169,401.32/x
  3. Step 3: Cross multiply
    206,020.92x = 310,435.18 × 169,401.32
  4. Step 4: Simplify right side
    206,020.92x = 52,588,129,266.44
  5. Step 5: Solve for x
    x = 52,588,129,266.44/206,020.92
  6. Step 6: Final answer
    x = 255,256.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.